Redispersible latex poda, inozivikanwawo seredispersible polymer poda kana RDP, chinhu chakakosha muzvigadzirwa zvemazuva ano zvekuvaka, kunyanya mumunda wekuoma musanganiswa dhaka.Hupfu uhu hunoshandiswa zvakanyanya mumaindasitiri akasiyana anosanganisira ekuvaka, pendi nekukoira, zvekunamira, machira nemishonga, pakati pezvimwe.
1. Nhanganyaya kune redispersible latex powder:
Redispersible latex poda ndeyemahara-inoyerera organic polymer poda inowanikwa nekupfapfaidza kuomesa yeaqueous polymer dispersion.Iyo ine musanganiswa wemapolymers ekugadzira, kazhinji vinyl acetate-ethylene (VAE) copolymer, uye zvakasiyana-siyana zvekuwedzera senge inodzivirira colloids, plasticizers, uye dispersants.Chinangwa chikuru che redispersible latex poda ndechekuvandudza mashandiro ezvivakwa zvekuvaka, kugovera zvakakosha zvimiro zvakaita sekunamatira, kuchinjika, kuramba kwemvura uye kugadzirisa.
2. Maitiro ekugadzira:
Kugadzirwa kwe redispersible latex poda kunosanganisira akati wandei matanho akakosha:
A. polymerization:
Maitiro acho anotanga ne emulsion polymerization yemamonomers akadai sevinyl acetate uye ethylene pamberi pevatangi uye vanogadzira.Iyi nhanho inoburitsa aqueous dispersion ye polymer particles.
b.Spray drying:
Iyo aqueous dispersion inozopfapfaidzwa-yakaomeswa, atomize kuita madonhwe uye nekukurumidza kuomeswa uchishandisa mhepo inopisa.Iyo poda inokonzeresa ine tudiki mapolymer particles akavharirwa neinodzivirira colloid.
C. Mushure mekugadzirisa:
Post-processing maitiro anogona kuzoitwa kuwedzera hupfu hwehupfu.Izvi zvinogona kusanganisira kuwedzera kuomeswa, kugadziridzwa kwepamusoro kana kuwedzera kwekuwedzera.
3. Maumbirwo:
Redispersible latex poda kazhinji ine zvinotevera zvinongedzo:
Polymer adhesive: Chinhu chikuru chinowanzova copolymer yevinyl acetate uye ethylene, iyo inopa firimu-kugadzira zvinhu uye kunamatira.
Dziviriro colloids: Izvi zvinhu zvinodzivirira agglomeration yepolymer zvimedu panguva yekuchengetera uye inova nechokwadi chedispersibility yakanaka.
Plasticizers: Wedzera kuchinjika uye processability yechigadzirwa chekupedzisira.
Dispersants: Batsira hupfu kupararira mumvura uye kufambisa kubatanidzwa kwavo mumafomula.
4. Kuita uye kuita:
Redispersible latex poda inopa akati wandei akakosha zvivakwa kune zvekuvaka, zvinosanganisira:
Adhesion: Inosimudzira kusimba kwechisungo, kunyanya kune madhaka uye mataira anonamira.
Flexibility: Inovandudza kuramba kutsemuka uye deformation, iyo yakakosha kune inochinjika yekudzivirira mvura membranes uye caulk.
Mvura Resistance: Inopa dziviriro kubva mukunyorova uye inovandudza kusimba munzvimbo dzakanyorova.
Processability: Inovandudza mabatiro uye mashandisiro maitiro eakaoma musanganiswa maumbirwo.
5. Application:
Redispersible latex poda inoshandiswa zvakanyanya mumaindasitiri akasiyana siyana:
a.simudza:
Tile Adhesives uye Grouts: Kuvandudza kunamatira uye kuchinjika mukumisikidza mataira.
Exterior Insulation uye Finishing Systems (EIFS): Kuvandudza kushanda kweEIFS nekupa kushanduka uye kupikisa kuputika.
Madhaka nemapurasita: Kuvandudza kusimba kwechisungo, kushanda nesimba uye kusamira kwemvura kwemadhaka esimende nemapurasita.
Self-Leveling Compound: Inosimudzira kuyerera uye kunamatira kweyega-yepamusoro pasi makomisheni.
b.Paints uye Coatings:
Inoshandiswa seyaimbova firimu uye binder mumvura-yakavakirwa pendi uye machira kuti inatsiridze kunamatira uye kusimba.
C. Adhesive:
Inovandudza kunamatira uye kubatana mumhando dzakasiyana dzekunamatira, kusanganisira matanda anonamira uye zvekuvaka.
6. Zvakanakira:
Kushandisa redispersible latex poda kune zvinotevera zvakanakira:
Yakavandudzwa zvivakwa: Inosimudzira akakosha zvivakwa zvekuvaka senge adhesion, kuchinjika uye kudzivirira mvura.
Versatility: Inokodzera kuwanda kwekushandisa kubva kumadhaka uye zvinonamira kune pendi uye machira.
Zviri nyore kubata: Sehupfu hwakaoma, zviri nyore kutakura, kuchengeta uye kubata, ingo wedzera mvura kuparadzira zvakare.
Kushamwaridzana kwezvakatipoteredza: Mvura-based formulas inonyanya kukoshesa zvakatipoteredza pane zvinogadziriswa-based-solvents.
Mutengo-Kushanda: Inobatsira kukwenenzvera maumbirwo, kuderedza mari yezvinhu, uye kunatsiridza kuita kwechigadzirwa.
7. Future Outlook:
The redispersible latex poda musika unotarisirwa kupupurira kukura kwakasimba, zvichifambiswa nekuenderera mberi kwekuvandudzwa kwezvivakwa, kuguta kwemadhorobha, uye kukwira kuri kudiwa kwezvinhu zvepamusoro-soro zvekuvaka.Kufambira mberi kwetekinoroji kwakanangana nekuvandudza kuita kwechigadzirwa uye kuwedzera nzvimbo dzekushandisa kungangowedzera kufambisa musika.Pamusoro pezvo, kukura kwekuziva kwemaitiro ekuvaka anoenderera kunogona kufambisa kutorwa kwedzimwe nzira dzine hushamwari kwezvakatipoteredza, senge inodhindwazve latex poda.
Redispersible latex poda inoita basa rakakosha mukuvandudza mashandiro ezvivakwa zvekuvaka mumaindasitiri akasiyana siyana.Hunhu hwayo hwakasiyana-siyana uye kuita kwakasiyana-siyana kunoita kuti ive yakakosha mumashandisirwo kubva kumataira anonamira uye dhaka kusvika pendi uye machira.Nekuenderera mberi kwehunyanzvi uye kuwedzera kusimbiswa kwemaitiro ekuvaka anoenderera mberi, kudiwa kweiyo redispersible latex poda inotarisirwa kuramba ichikura, ichifambisa kutsvagisa nekusimudzira munzvimbo ino.
Nguva yekutumira: Feb-21-2024